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12 May 2021: Clinical Research

Performance of Diagnostic Model for Differentiating Between COVID-19 and Influenza: A 2-Center Retrospective Study

Jingwen Li 1E , Simin Li 2B , Xiaoming Qiu 3B , Wenyan Zhu 2F , Linfeng Li 2F , Bo Qin 1A*

DOI: 10.12659/MSM.932361

Med Sci Monit 2021; 27:e932361

Table 1 Demographic features of patients with COVID-19 and influenza.

VariablesCOVID-19 (n=282)Influenza (n=211)P value
Age, y49.6±14.442.7±16.4*
Sex, Male: Female134: 148120: 910.045*
Comorbidity, n (%)
 Hypertension28 (9.9)46 (22.0)*
 Diabetes mellitus20 (7.1)37 (17.5)*
 Cardiovascular disease23 (8.2)29 (13.7)0.045*
 Liver disease5 (1.8)2 (0.9)0.475
 Cancer4 (1.4)1 (0.5%)0.391
Signs and symptoms, n (%)
 Fever209 (74.1)101 (47.9)*
 Dry cough193 (68.4)64 (30.3)*
 Fatigue86 (30.5)10 (4.7)*
 Headache22 (7.8)8 (3.8)0.086
 Myalgia24 (8.5)2 (0.9)*
 Dyspnea19 (6.7)5 (2.4)0.033*
 Nausea5 (1.8)7 (3.3)0.377
 Diarrhea16 (5.7)5 (2.4)0.113
Pulse median, beats/min87±1296±17*
Time from illness onset to hospital admission, d11.9±5.315.2±4.40.024*

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750